[Pidgin] #3345: Receiving Each Offline Message Twice

[Pidgin]

#3345: Receiving Each Offline Message Twice
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  Reporter:  themadhatter  |       Owner:  khc          
      Type:  defect        |      Status:  closed       
  Priority:  minor         |   Milestone:               
 Component:  MSN           |     Version:               
Resolution:  fixed         |    Keywords:  MSNP14, 2.2.1
   Pending:  0             |  
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Comment (by khc at pidgin.im):

 (In [286d7c2b8dac3004830fd9dcc04bdd21d257c024]) seems to fix duplicate oim
 messages for real. The problem was that MSN tells
 us about the OIMs twice, one during sign on and one after sign on

 the fix is to keep track of OIMs until we delete them, and not request for
 OIMs that are already requested

 Fixes #3345

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Ticket URL: </ticket/3345#comment:2>
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